Across
- 2. Which animal possesses the largest brain relative to its body size?
- 5. Identify the Earth's largest INVERTEBRATE animal.
- 6. Entomology is the study of what?
- 10. How long is the lifespan of a human red blood cell?
- 11. Which insect holds the record for the fastest flying insect in the world?
Down
- 1. The word atom is from a Greek word meaning
- 3. The word "muscle" comes from a Latin word meaning what?
- 4. How long is the lifespan of a human red blood cell? 120 days
- 7. From which animal droppings can Saltpeter, a key ingredient in gunpowder, be extracted?
- 8. many bones are there in a human foot?
- 9. How many zeros are there in a googol?